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linux/drivers/gpu/drm/mxsfb
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Marek Vasut 5e23c98178 drm: mxsfb: Clear FIFO_CLEAR bit 
Make sure the FIFO_CLEAR bit is latched in when configuring the
controller, so that the FIFO is really cleared. And then clear
the FIFO_CLEAR bit, since it is not self-clearing.

Fixes: 45d59d7040 ("drm: Add new driver for MXSFB controller")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Abrecht <public@danielabrecht.ch>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Stefan Agner <stefan@agner.ch>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # i.Core MX8MM
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210620224946.189524-1-marex@denx.de
2021-07-27 21:15:24 +02:00
..
Kconfig drm/mxsfb: Don't select DRM_KMS_FB_HELPER 2021-04-26 12:42:57 +02:00
Makefile drm: mxsfb: Rename mxsfb_crtc.c to mxsfb_kms.c 2020-07-28 17:21:01 +02:00
mxsfb_drv.c drm: mxsfb: Increase number of outstanding requests on V4 and newer HW 2021-07-27 21:15:24 +02:00
mxsfb_drv.h drm: mxsfb: Increase number of outstanding requests on V4 and newer HW 2021-07-27 21:15:24 +02:00
mxsfb_kms.c drm: mxsfb: Clear FIFO_CLEAR bit 2021-07-27 21:15:24 +02:00
mxsfb_regs.h drm: mxsfb: Increase number of outstanding requests on V4 and newer HW 2021-07-27 21:15:24 +02:00